Malfunction Threshold
The ratio of the current EGR flow to the normal EGR flow is 20 % or less for at least 4.5 seconds.
The ratio is derived from the actual and estimated MAP values before and after the EGR valve was opened.
The estimated MAP difference value is shown in the table.
| Engine speed [Engine Speed] | Barometric pressure | |
|---|---|---|
| 52 kPa (15.4 inHg, 390 mmHg) | 101 kPa (29.9 inHg, 760 mmHg) | |
| 1300 RPM | 31 kPa (9.2 inHg, 234 mmHg) | 37 kPa (10.9 inHg, 278 mmHg) |
| 2500 RPM | 14 kPa (4.1 inHg, 106 mmHg) | 22 kPa (6.5 inHg, 165 mmHg) |